Finding the Fourth Proportional to 80,789.56, 111,460.74 and 46,779.48

Step by Step Solution

1. Step 1: Write the proportion equation
   80,789.56 : 111,460.74 = 46,779.48 : x
2. Step 2: Convert to fraction form
   80,789.56/111,460.74 = 46,779.48/x
3. Step 3: Cross multiply
   80,789.56x = 111,460.74 × 46,779.48
4. Step 4: Simplify right side
   80,789.56x = 5,214,075,457.62
5. Step 5: Solve for x
   x = 5,214,075,457.62/80,789.56
6. Step 6: Final answer
   x = 64,538.98